Revit 2026 API
Topography |
Gets the points which are on the boundary of the topography surface.
Namespace: Autodesk.Revit.DB.Architecture
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.0.4.0 (26.0.4.0)
Syntax
public IList<XYZ> GetBoundaryPoints()
Public Function GetBoundaryPoints As IList(Of XYZ)
public: IList<XYZ^>^ GetBoundaryPoints()
member GetBoundaryPoints : unit -> IList<XYZ>
Return Value
IListXYZThe collection of boundary points.

This applies to TopographySurface, SiteSubRegion, and the topography surface associated with a BuildingPad element.
For a SiteSubRegion, this returns the points from a representation of the region's boundary.
For the topography surface associated with a BuildingPad element, this returns the points from the sketch of this topography surface.
See Also